中文摘要：

在对红花尔基樟子松林国家级自然保护区植物资源进行深入调查和分析有关资料的基础上,对本区内种子植物的科属组成、分布区类型、区系特征等进行了统计与分析研究.研究区域的植物区系特征表现为：1）植物种类繁多,有野生种子植物74科、284属、664种;区系成分丰富,种子植物属具有13个分布区类型和13个分布变型.2）区系具有北温带性质,北温带属占非世界分布属数目的87.18%;植物区系成分中混有亚热带、热带成分及寒温带成分,体现出“南北混合型”的特征.3）单属科和单种属较多,单属科39个,单种属25个,分别占总科数和总属数的33.78%和8.8%.4）山地森林草原特征显著.

英文摘要：

By investigating and further analyzing the plant resources in Honggolj National Nature Reserve for Pinus sylvesris var.mongolica,studies on the composition of family and genera,and the type of distribution,and flora characteristics of seed plants in this area.The result shows that ：1）The types of plant are various and there are wild seed plants of 74 families,284 genera and 664 species.Constituents of flora are abundant and the seed plants consist of 13 types of distribution area and 13 varied types of distribution area.2）The flora expresses the northern temperate zone which constitutes 87.18% of non-world distribution species.The elements of sub tropical zone,tropic and cool temperate zone are found among the constituents of flora,which indicates a characteristic of mixed type of south and north.3）There are 39 mono-genus families and 25 mono-species genera and constitutes 33.78% of total families and 8.8% of total genera respectively.4） It shows a remarkable characteristic of alpine forest steppe.